#!/usr/bin/env node

const log=console.log;

const me={
    name:'rzh',
    age:19,
    qq:'123456'
};

log('name:%s',me.name) //string
log('age:%d',me.age)  //digtal
log('num:%i',45)  //integer
log('PI:%f',Math.PI)  //float
log('user:%j',me)  //json
log('me:%o',me)  //object

log('name:%s',me.name)
log('name:%s',me.name)
log('name:%s',me.name)
log(`name:${me.name}`)